Home / 1,206,858.28-1,665,279.40-697,462.36

Finding the Fourth Proportional to 1,206,858.28, 1,665,279.40 and 697,462.36

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Solution

The fourth proportional to 1,206,858.28, 1,665,279.40 and 697,462.36 is: 962,391.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,858.28 : 1,665,279.40 = 697,462.36 : x
  2. Step 2: Convert to fraction form
    1,206,858.28/1,665,279.40 = 697,462.36/x
  3. Step 3: Cross multiply
    1,206,858.28x = 1,665,279.40 × 697,462.36
  4. Step 4: Simplify right side
    1,206,858.28x = 1,161,469,700,383.38
  5. Step 5: Solve for x
    x = 1,161,469,700,383.38/1,206,858.28
  6. Step 6: Final answer
    x = 962,391.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.